++ hostname -s + HOSTNAME=instance + PORTNAME=octavia-health-manager-port-instance ++ openstack port show octavia-health-manager-port-instance -c id -f value + HM_PORT_ID=a2dcf78a-d85e-46ad-aea2-98ac37284500 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:98:46:1c + echo a2dcf78a-d85e-46ad-aea2-98ac37284500 + echo fa:16:3e:98:46:1c